Filter



This application is also related to U.S. Design application Ser. No. 29/558,399, filed Mar. 17, 2016, now U.S. Design Pat. No. D770,026.

FIG. 1 is a perspective view of a filter showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is front elevational view thereof, the rear being a mirror image; and,

FIG. 4 is a right side elevational view thereof, the left side being a mirror image.

The broken lines immediately adjacent the shaded area represent unclaimed boundaries of the design while all other broken lines are for the purpose of illustrating environmental structure; the broken lines form no part of the claimed design. 

CLAIM The ornamental design for a filter, as shown and described. 